精细化学品的英文名为: A: Heavy chemicals B: Fine chemicals C: Refine chemicals D: Special chemicals
精细化学品的英文名为: A: Heavy chemicals B: Fine chemicals C: Refine chemicals D: Special chemicals
household chemicals
household chemicals
There are often ( fewer / more ) unhealthy chemicals in bottled water than in tap water. These chemicals come from the plastic in the bottles.
There are often ( fewer / more ) unhealthy chemicals in bottled water than in tap water. These chemicals come from the plastic in the bottles.
The factory was fined for __________chemicals into the river.
The factory was fined for __________chemicals into the river.
The Pentagon admitted______. A: using chemicals during the Korean War B: having offered chemicals to South Korea C: using chemicals to kill its enemies in 1968 and 1969 D: not having informed the soldiers of the harmfulness of Agent Orange
The Pentagon admitted______. A: using chemicals during the Korean War B: having offered chemicals to South Korea C: using chemicals to kill its enemies in 1968 and 1969 D: not having informed the soldiers of the harmfulness of Agent Orange
There are more unhealthy chemicals in tap water.
There are more unhealthy chemicals in tap water.
According to the author, the use of chemicals and fertilizers___________.
According to the author, the use of chemicals and fertilizers___________.
43. According to the author, the use of chemicals and fertilizers ______.
43. According to the author, the use of chemicals and fertilizers ______.
中国大学MOOC: They are ______ in chemicals for many years.
中国大学MOOC: They are ______ in chemicals for many years.
I will have to ____ the roses with chemicals to get rid of the greenfly.
I will have to ____ the roses with chemicals to get rid of the greenfly.